SBI is pubilc entity, listed in stock market. sbi has sbi freedom app for mobile banking which is good in service. SBI have more than 14000 branches and more than 100000 atms. You will be find SBI atms in every part of india and corner. it has secure internet banking with good security system. it has SBI BuddY app for bill payment. customer service is great compare to other public sector bank. it has autometic pass book entry machines in every branch with instant entries of pass book compare to other bank who pasees entry one day after only. all over it best public sector bank in india with easy avalability.